Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.64283°NLon: 108.227°WElev: 4419.52ft.

NA

59°F

15°C

Humidity 31%
Wind Speed N 5 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Last update 21 Mar 05:05 AM MDT
Extended Forecast for

4 Miles SSW East Thermopolis WY

Red Flag Warning March 21, 05:22am until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 21, 05:22am until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Today

    High: 84 °F

    Mostly Sunny
    then Partly
    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Breezy, with a west wind 18 to 23 mph becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 34 mph.

    Low: 40 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. East northeast wind 5 to 7 mph becoming calm  in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. Northwest wind 5 to 9 mph becoming south southwest after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 75. Breezy, with a south southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 75 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 84. Windy, with a south wind 10 to 15 mph becoming west 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.
Tonight
Partly cloudy, with a low around 40. Breezy, with a west wind 18 to 23 mph becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 66. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 38. East northeast wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 72. Calm wind becoming west 5 to 9 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 41. Northwest wind 5 to 9 mph becoming south southwest after midnight.
Tuesday
Partly sunny, with a high near 75. Breezy, with a south southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 46. Breezy.
Wednesday
Mostly sunny, with a high near 79. Breezy.
Wednesday Night
Mostly cloudy, with a low around 37. Breezy.
Thursday
Mostly sunny, with a high near 64. Breezy.
Thursday Night
Partly cloudy, with a low around 31. Blustery.
Friday
Mostly sunny, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW East Thermopolis WY
 43.6°N 108.22°W (Elev. 4495 ft)
5:02 am MDT Mar 21, 2026
5am MDT Mar 21, 2026-6pm MDT Mar 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database